Block::getBlockInfo in core/modules/layout/includes/
Return the block info for this block, as provided by hook_block_info().
LayoutRendererStandard::prepareBlocks in core/modules/layout/plugins/renderers/
Prepare the list of blocks to be rendered, accounting for visibility/access settings and rendering order.
layout_block_add_page in core/modules/layout/
Menu callback; Display a list of blocks to be added to a layout.
layout_block_list in core/modules/layout/
Menu callback; Lists all blocks and their modules.
layout_get_handler_name in core/modules/layout/layout.module
Helper function to get a handler class name based on the plugin name.
layout_get_title_description in core/modules/layout/layout.module
Gets the title description for the current layout.